mirror of
https://sourceware.org/git/glibc.git
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0fed0b250f
Plus a small amount of moving includes around in order to be able to remove duplicate definition of asuint64. Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
302 lines
6.4 KiB
C
302 lines
6.4 KiB
C
/* Shared data between exp, exp2 and pow.
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Copyright (C) 2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include "vecmath_config.h"
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#define N (1 << V_POW_EXP_TABLE_BITS)
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const struct v_pow_exp_data __v_pow_exp_data = {
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// exp polynomial coefficients.
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.poly = {
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// abs error: 1.43*2^-58
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// ulp error: 0.549 (0.550 without fma)
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// if |x| < ln2/512
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0x1.fffffffffffd4p-2,
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0x1.5555571d6ef9p-3,
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0x1.5555576a5adcep-5,
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},
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// N/ln2
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.n_over_ln2 = 0x1.71547652b82fep0 * N,
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// ln2/N
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.ln2_over_n_hi = 0x1.62e42fefc0000p-9,
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.ln2_over_n_lo = -0x1.c610ca86c3899p-45,
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// Used for rounding to nearest integer without using intrinsics.
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.shift = 0x1.8p52,
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// 2^(k/N) ~= H[k]*(1 + T[k]) for int k in [0,N)
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// sbits[k] = asuint64(H[k]) - (k << 52)/N
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.sbits = {
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0x3ff0000000000000,
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0x3feffb1afa5abcbf,
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0x3feff63da9fb3335,
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0x3feff168143b0281,
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0x3fefec9a3e778061,
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0x3fefe7d42e11bbcc,
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0x3fefe315e86e7f85,
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0x3fefde5f72f654b1,
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0x3fefd9b0d3158574,
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0x3fefd50a0e3c1f89,
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0x3fefd06b29ddf6de,
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0x3fefcbd42b72a836,
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0x3fefc74518759bc8,
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0x3fefc2bdf66607e0,
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0x3fefbe3ecac6f383,
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0x3fefb9c79b1f3919,
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0x3fefb5586cf9890f,
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0x3fefb0f145e46c85,
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0x3fefac922b7247f7,
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0x3fefa83b23395dec,
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0x3fefa3ec32d3d1a2,
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0x3fef9fa55fdfa9c5,
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0x3fef9b66affed31b,
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0x3fef973028d7233e,
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0x3fef9301d0125b51,
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0x3fef8edbab5e2ab6,
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0x3fef8abdc06c31cc,
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0x3fef86a814f204ab,
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0x3fef829aaea92de0,
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0x3fef7e95934f312e,
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0x3fef7a98c8a58e51,
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0x3fef76a45471c3c2,
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0x3fef72b83c7d517b,
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0x3fef6ed48695bbc0,
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0x3fef6af9388c8dea,
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0x3fef672658375d2f,
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0x3fef635beb6fcb75,
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0x3fef5f99f8138a1c,
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0x3fef5be084045cd4,
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0x3fef582f95281c6b,
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0x3fef54873168b9aa,
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0x3fef50e75eb44027,
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0x3fef4d5022fcd91d,
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0x3fef49c18438ce4d,
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0x3fef463b88628cd6,
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0x3fef42be3578a819,
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0x3fef3f49917ddc96,
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0x3fef3bdda27912d1,
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0x3fef387a6e756238,
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0x3fef351ffb82140a,
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0x3fef31ce4fb2a63f,
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0x3fef2e85711ece75,
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0x3fef2b4565e27cdd,
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0x3fef280e341ddf29,
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0x3fef24dfe1f56381,
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0x3fef21ba7591bb70,
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0x3fef1e9df51fdee1,
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0x3fef1b8a66d10f13,
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0x3fef187fd0dad990,
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0x3fef157e39771b2f,
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0x3fef1285a6e4030b,
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0x3fef0f961f641589,
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0x3fef0cafa93e2f56,
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0x3fef09d24abd886b,
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0x3fef06fe0a31b715,
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0x3fef0432edeeb2fd,
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0x3fef0170fc4cd831,
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0x3feefeb83ba8ea32,
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0x3feefc08b26416ff,
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0x3feef96266e3fa2d,
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0x3feef6c55f929ff1,
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0x3feef431a2de883b,
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0x3feef1a7373aa9cb,
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0x3feeef26231e754a,
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0x3feeecae6d05d866,
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0x3feeea401b7140ef,
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0x3feee7db34e59ff7,
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0x3feee57fbfec6cf4,
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0x3feee32dc313a8e5,
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0x3feee0e544ede173,
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0x3feedea64c123422,
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0x3feedc70df1c5175,
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0x3feeda4504ac801c,
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0x3feed822c367a024,
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0x3feed60a21f72e2a,
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0x3feed3fb2709468a,
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0x3feed1f5d950a897,
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0x3feecffa3f84b9d4,
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0x3feece086061892d,
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0x3feecc2042a7d232,
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0x3feeca41ed1d0057,
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0x3feec86d668b3237,
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0x3feec6a2b5c13cd0,
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0x3feec4e1e192aed2,
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0x3feec32af0d7d3de,
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0x3feec17dea6db7d7,
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0x3feebfdad5362a27,
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0x3feebe41b817c114,
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0x3feebcb299fddd0d,
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0x3feebb2d81d8abff,
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0x3feeb9b2769d2ca7,
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0x3feeb8417f4531ee,
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0x3feeb6daa2cf6642,
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0x3feeb57de83f4eef,
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0x3feeb42b569d4f82,
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0x3feeb2e2f4f6ad27,
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0x3feeb1a4ca5d920f,
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0x3feeb070dde910d2,
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0x3feeaf4736b527da,
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0x3feeae27dbe2c4cf,
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0x3feead12d497c7fd,
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0x3feeac0827ff07cc,
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0x3feeab07dd485429,
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0x3feeaa11fba87a03,
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0x3feea9268a5946b7,
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0x3feea84590998b93,
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0x3feea76f15ad2148,
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0x3feea6a320dceb71,
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0x3feea5e1b976dc09,
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0x3feea52ae6cdf6f4,
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0x3feea47eb03a5585,
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0x3feea3dd1d1929fd,
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0x3feea34634ccc320,
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0x3feea2b9febc8fb7,
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0x3feea23882552225,
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0x3feea1c1c70833f6,
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0x3feea155d44ca973,
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0x3feea0f4b19e9538,
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0x3feea09e667f3bcd,
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0x3feea052fa75173e,
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0x3feea012750bdabf,
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0x3fee9fdcddd47645,
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0x3fee9fb23c651a2f,
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0x3fee9f9298593ae5,
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0x3fee9f7df9519484,
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0x3fee9f7466f42e87,
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0x3fee9f75e8ec5f74,
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0x3fee9f8286ead08a,
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0x3fee9f9a48a58174,
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0x3fee9fbd35d7cbfd,
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0x3fee9feb564267c9,
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0x3feea024b1ab6e09,
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0x3feea0694fde5d3f,
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0x3feea0b938ac1cf6,
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0x3feea11473eb0187,
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0x3feea17b0976cfdb,
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0x3feea1ed0130c132,
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0x3feea26a62ff86f0,
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0x3feea2f336cf4e62,
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0x3feea3878491c491,
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0x3feea427543e1a12,
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0x3feea4d2add106d9,
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0x3feea589994cce13,
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0x3feea64c1eb941f7,
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0x3feea71a4623c7ad,
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0x3feea7f4179f5b21,
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0x3feea8d99b4492ed,
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0x3feea9cad931a436,
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0x3feeaac7d98a6699,
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0x3feeabd0a478580f,
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0x3feeace5422aa0db,
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0x3feeae05bad61778,
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0x3feeaf3216b5448c,
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0x3feeb06a5e0866d9,
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0x3feeb1ae99157736,
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0x3feeb2fed0282c8a,
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0x3feeb45b0b91ffc6,
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0x3feeb5c353aa2fe2,
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0x3feeb737b0cdc5e5,
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0x3feeb8b82b5f98e5,
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0x3feeba44cbc8520f,
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0x3feebbdd9a7670b3,
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0x3feebd829fde4e50,
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0x3feebf33e47a22a2,
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0x3feec0f170ca07ba,
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0x3feec2bb4d53fe0d,
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0x3feec49182a3f090,
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0x3feec674194bb8d5,
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0x3feec86319e32323,
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0x3feeca5e8d07f29e,
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0x3feecc667b5de565,
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0x3feece7aed8eb8bb,
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0x3feed09bec4a2d33,
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0x3feed2c980460ad8,
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0x3feed503b23e255d,
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0x3feed74a8af46052,
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0x3feed99e1330b358,
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0x3feedbfe53c12e59,
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0x3feede6b5579fdbf,
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0x3feee0e521356eba,
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0x3feee36bbfd3f37a,
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0x3feee5ff3a3c2774,
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0x3feee89f995ad3ad,
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0x3feeeb4ce622f2ff,
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0x3feeee07298db666,
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0x3feef0ce6c9a8952,
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0x3feef3a2b84f15fb,
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0x3feef68415b749b1,
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0x3feef9728de5593a,
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0x3feefc6e29f1c52a,
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0x3feeff76f2fb5e47,
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0x3fef028cf22749e4,
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0x3fef05b030a1064a,
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0x3fef08e0b79a6f1f,
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0x3fef0c1e904bc1d2,
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0x3fef0f69c3f3a207,
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0x3fef12c25bd71e09,
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0x3fef16286141b33d,
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0x3fef199bdd85529c,
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0x3fef1d1cd9fa652c,
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0x3fef20ab5fffd07a,
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0x3fef244778fafb22,
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0x3fef27f12e57d14b,
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0x3fef2ba88988c933,
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0x3fef2f6d9406e7b5,
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0x3fef33405751c4db,
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0x3fef3720dcef9069,
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0x3fef3b0f2e6d1675,
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0x3fef3f0b555dc3fa,
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0x3fef43155b5bab74,
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0x3fef472d4a07897c,
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0x3fef4b532b08c968,
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0x3fef4f87080d89f2,
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0x3fef53c8eacaa1d6,
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0x3fef5818dcfba487,
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0x3fef5c76e862e6d3,
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0x3fef60e316c98398,
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0x3fef655d71ff6075,
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0x3fef69e603db3285,
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0x3fef6e7cd63a8315,
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0x3fef7321f301b460,
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0x3fef77d5641c0658,
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0x3fef7c97337b9b5f,
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0x3fef81676b197d17,
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0x3fef864614f5a129,
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0x3fef8b333b16ee12,
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0x3fef902ee78b3ff6,
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0x3fef953924676d76,
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0x3fef9a51fbc74c83,
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0x3fef9f7977cdb740,
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0x3fefa4afa2a490da,
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0x3fefa9f4867cca6e,
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0x3fefaf482d8e67f1,
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0x3fefb4aaa2188510,
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0x3fefba1bee615a27,
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0x3fefbf9c1cb6412a,
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0x3fefc52b376bba97,
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0x3fefcac948dd7274,
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0x3fefd0765b6e4540,
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0x3fefd632798844f8,
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0x3fefdbfdad9cbe14,
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0x3fefe1d802243c89,
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0x3fefe7c1819e90d8,
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0x3fefedba3692d514,
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0x3feff3c22b8f71f1,
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0x3feff9d96b2a23d9,
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},
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};
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